A survey of two communities asked residents which candidate they supported for a local election. The survey data are shown in th
e relative frequency table.
What percentage of the Mountain View residents polled supported Olunloyo?
A. 18%
B. 30%
C. 37.5%
D. About 47%
What percentage of the Mountain View residents polled supported Olunloyo?
A. 18%
B. 30%
C. 37.5%
D. About 47%
1 answer:
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Answer: 44
Step-by-step explanation:
1/5 of the slab are grey implies that 4/5 are yellow.
The ratio of grey to yellow is thus given as :
1/5 : 4/5
which is 1 : 4
Therefore , the ratio of grey to yellow is 1: 4
The total ratio = 1 + 4 = 5
To calculate the number of yellow , we use the formula
number of yellow = X total number of slabs , that is
number of yellow = X 55
number of yellow slab = 44
Answer:
1/14
Step-by-step explanation:
P(red, then black) = ·
=
=
(simplifed form)